Zhūròu Xiàn Bǐng (猪肉馅饼) is the pork-stuffed pan-fried flatbread, a round of soft dough wrapped around a seasoned ground-pork filling, pressed flat, and fried on a griddle until the skin crisps while the meat stays hot and juicy inside. The angle is the seal and the squeeze around a fatty filling. The whole craft is getting a thin skin to enclose a wet, rendering pork mixture and then flattening that parcel so it cooks through evenly without the seam splitting, so it lives or dies on a closure that holds against the pork juices and a thinness that lets the outside brown before the inside overcooks.
The build is a wrapped, flattened, fried pie. A soft wheat dough is rested until it stretches, divided, and rolled into rounds. The filling is ground pork seasoned with scallion, ginger, soy, and a little stock or water beaten in so it stays moist, set in the center; the dough is gathered up over it and pinched firmly closed, then the sealed ball pressed gently flat with the hand or a spatula so it spreads thin and even. It goes onto a hot, lightly oiled griddle seam-side down first to set the closure, then turned until both faces carry deep brown spots and the skin firms. Done well it shows a thin skin crisp and blistered on the outside, an interior that is hot and juicy with the pork having stayed sealed so the rendered fat and stock pool inside rather than escaping, and a base browned hard without scorching. Done poorly the failures are plain: a weak seam that splits on the pan so the pork juices run out and weld the bread to the griddle, a filling with too little binding so it dries and crumbles, dough pressed too thick so the center stays raw while the surface burns, or too much oil so the skin turns greasy rather than crisp.
It shifts mostly by what is worked into the pork and by how thin the skin is taken. Pork with cabbage, pork with chive, and pork with a heavier scallion-and-ginger seasoning are the common variations, each tuning how juicy and how rich the bite reads; some shops run them small and delicate, others large and substantial enough to be a meal on their own. The same pinch-and-fry method spans a broad family of stuffed flatbreads with beef, lamb, or vegetable fillings, and a leavened, thicker-walled relative made closer to a bun is its own preparation rather than crowded in here. What fixes this entry is the pork specifically, the thin-skinned dough sealed around a moist ground-pork core, pressed flat, and fried hard on both faces so the shell crisps while the meat stays juicy.